20398930

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2861}}^1$

素因数の和:2922

約数の個数: 32

約数和(自身を含む): 39564288

約数和(自身を除く): 19165358

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 115, 155, 230, 310, 713, 1426, 2861, 3565, 5722, 7130, 14305, 28610, 65803, 88691, 131606, 177382, 329015, 443455, 658030, 886910, 2039893, 4079786, 10199465, 20398930]

約数ペア:

[(1, 20398930), (2, 10199465), (5, 4079786), (10, 2039893), (23, 886910), (31, 658030), (46, 443455), (62, 329015), (115, 177382), (155, 131606), (230, 88691), (310, 65803), (713, 28610), (1426, 14305), (2861, 7130), (3565, 5722)]